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Forum: General Q & A

08-21-2024, 02:22 PM

Replies: 4

Alternator for 454 mag mpi

Views: 529

Posted By rusty12

Alternator for 454 mag mpi

While heading out on a trip today my alternator with only 20 hours stopped charging. I went to the shop where I purchased the last one and got another and installed it. It's charging again. This was...

Forum: General Boating Discussion

04-23-2024, 04:19 PM

Replies: 0

454 mag gen 6 install rebuild complete

Views: 348

Posted By rusty12

454 mag gen 6 install rebuild complete

Finished the install on the 27 conch inboard. Thanks to everyone for the assistance especially smitty for servicing the injectors ...

Forum: General Q & A

04-18-2024, 07:32 PM

Replies: 2

1st startup on 454 mag rebuild

Views: 564

Posted By rusty12

1st startup on 454 mag rebuild

Can I use a dial back timing light with the hei ignition? I realize I have to put it in service mode and time it at 8 btdc.

Forum: General Q & A

02-26-2024, 05:56 AM

Replies: 2

Schrader valve extension

Views: 615

Posted By rusty12

Ok thanks

Ok thanks

Forum: General Q & A

02-25-2024, 07:56 PM

Replies: 2

Schrader valve extension

Views: 615

Posted By rusty12

Schrader valve extension

Anybody ever add an extension to access the valve on a 454 mag to prevent pulling the plenum?

Forum: General Q & A

01-29-2024, 03:42 PM

Replies: 16

Stainless marine exhaust or keep stock merc

Views: 3,490

Posted By rusty12

How old were your manifolds and risers that...

How old were your manifolds and risers that failed?

Forum: General Q & A

01-29-2024, 02:34 PM

Replies: 16

Stainless marine exhaust or keep stock merc

Views: 3,490

Posted By rusty12

https://cimg2.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg2.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/920x2000/screenshot_20240129_152318_photos_704e3590216b5c0432972521906c11a1d5e40620.jpg...

Forum: General Q & A

01-29-2024, 02:08 PM

Replies: 16

Stainless marine exhaust or keep stock merc

Views: 3,490

Posted By rusty12

Yes 3000 hours on a 2000 gen 6 block. I bought...

Yes 3000 hours on a 2000 gen 6 block. I bought the boat 10 Years ago from a close friend. I did manifolds and risers every 4 years. It's about 1600 in parts with oem parts with the 6 inch spacer. I...

Forum: General Q & A

01-28-2024, 09:05 AM

Replies: 16

Stainless marine exhaust or keep stock merc

Views: 3,490

Posted By rusty12

Saltwater

Saltwater

Forum: General Q & A

01-27-2024, 06:27 PM

Replies: 16

Stainless marine exhaust or keep stock merc

Views: 3,490

Posted By rusty12

Stainless marine exhaust or keep stock merc

My gen 6 454 mag mpi is currently getting rebuilt after after 3000 hours. I am keeping it stock. I have purchased all new coolers..fuel pumps...had smitty do my injectors. The shop did call me and...

Forum: General Q & A

01-15-2024, 03:59 PM

Replies: 1

Fuel pressure regulator

Views: 422

Posted By rusty12

Fuel pressure regulator

Looking for a mercruiser fuel pressure regulator 860349a1 if anyone knows of any. Seems every place is out of stock.

thanks

Forum: General Q & A

12-26-2023, 06:30 AM

Replies: 5

New oil pan for 454 mag

Views: 799

Posted By rusty12

I saw the champ pans. Anybody know if the...

I saw the champ pans. Anybody know if the dipstick that they offer will clear the exhaust manifolds or will they need modification?

Forum: General Q & A

12-25-2023, 06:10 PM

Replies: 5

New oil pan for 454 mag

Views: 799

Posted By rusty12

New oil pan for 454 mag

Just pulled the engine to go for rebuild. The pan looks to be in pretty good shape but I still might put a new one on so I don't have any issues and have to pull it for a while. It has the starboard...

Forum: General Q & A

12-18-2023, 04:59 AM

Replies: 2

O ring size for block fitting for mercruiser fuel rail

Views: 708

Posted By rusty12

No vst. Cool fuel. Schrader valve at front end...

No vst. Cool fuel. Schrader valve at front end on fuel rail. Fitting in the back is plugged

Forum: General Q & A

12-17-2023, 06:06 PM

Replies: 2

O ring size for block fitting for mercruiser fuel rail

Views: 708

Posted By rusty12

O ring size for block fitting for mercruiser fuel rail

I have a gen 6 454 mag mpi gen 3. There is a brass block with 2 o rings that go into the port side in the middle of the fuel rail. The schematic only shows 1 in the drawing and says 1 required. Any...

Forum: General Q & A

12-16-2023, 10:45 PM

Replies: 16

Looking for injectors to be serviced

Views: 2,907

Posted By rusty12

Looking for injectors to be serviced

Pulling my 2000 mefi 3 454 gen vi inboard this week to have rebuilt and would like to have my injectors sent out to be serviced. Any recommendations would be appreciated

Thank you!

Forum: General Q & A

12-13-2023, 05:38 PM

Replies: 7

Mercruiser cool fuel pumps

Views: 1,616

Posted By rusty12

Speedy thank you for the offer. I have 2 used...

Speedy thank you for the offer. I have 2 used ones for spares now. I'm pulling the 454 mag gen 6 this week. I'm trying to put some new parts back on when it'd back from machine shop. New heat...

Forum: General Q & A

12-11-2023, 05:57 AM

Replies: 7

Mercruiser cool fuel pumps

Views: 1,616

Posted By rusty12

That's the issue I'm finding. I don't need all...

That's the issue I'm finding. I don't need all the accessories that come with it

Forum: General Q & A

12-09-2023, 03:36 PM

Replies: 7

Mercruiser cool fuel pumps

Views: 1,616

Posted By rusty12

Mercruiser cool fuel pumps

Has anyone had good luck with the aftermarket mercruiser fuel pumps for the cool fuel? I have both the low and high pressure. It looks like the oem pumps are exactly the same with a lot lower of the...

Forum: General Q & A

11-18-2023, 05:14 PM

Replies: 15

Rebuild or repower

Views: 2,124

Posted By rusty12

That's the plan as of now. New fuel...

That's the plan as of now. New fuel pumps...manifolds and risers. Oil and transmission coolers and most likely heat exchanger. They have always been freshwater flushed after every use but they are 22...

Forum: General Q & A

11-14-2023, 06:06 AM

Replies: 15

Rebuild or repower

Views: 2,124

Posted By rusty12

SB. Yes the block itself is freshwater Cooled. ...

SB. Yes the block itself is freshwater Cooled. The manifolds/risers (exhaust side) and oil coolers etc are raw water

Forum: General Q & A

11-13-2023, 10:23 PM

Replies: 15

Rebuild or repower

Views: 2,124

Posted By rusty12

Is the block you have freshwater Cooled? I have...

Is the block you have freshwater Cooled? I have looked all over up my way haven't been able to find anything

Forum: General Q & A

11-13-2023, 09:07 PM

Replies: 15

Rebuild or repower

Views: 2,124

Posted By rusty12

Currently 2700 hours. I do manifolds and risers...

Currently 2700 hours. I do manifolds and risers every 4-5 years and keep up on all the maintenance. I commercial fish with this boat so I'd rather do it over the winter than deal with it during the...

Forum: General Q & A

11-13-2023, 07:33 PM

Replies: 15

Rebuild or repower

Views: 2,124

Posted By rusty12

I'm in southeast mass. I was referred to custom...

I'm in southeast mass. I was referred to custom automotive in weymouth ma. Have heatd a lot of good things about them

Forum: General Q & A

11-13-2023, 04:50 PM

Replies: 15

Rebuild or repower

Views: 2,124

Posted By rusty12

Rebuild or repower

I currently have a gen 6 454 mag mpi freshwater Cooled straight inboard with a zf transmission in my 27 conch center console. I'm contemplating having the block rebuilt for around 4500 over the...

Showing results 1 to 25 of 27